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AD8159:  3.2 Gbps Quad Buffer Mux/Demux

The AD8159 is an asynchronous, protocol agnostic, quad-lane 2:1 switch with 12 differential PECL-/CML-compatible inputs and 12 differential CML outputs. The operation of this product is optimized for NRZ signaling with data rates of up to 3.2 Gbps per lane. Each lane offers two levels of input equalization and four levels of output pre-emphasis.

The AD8159 consists of four multiplexers and ...More

AD8159:  3.2 Gbps Quad Buffer Mux/Demux

Product Description

The AD8159 is an asynchronous, protocol agnostic, quad-lane 2:1 switch with 12 differential PECL-/CML-compatible inputs and 12 differential CML outputs. The operation of this product is optimized for NRZ signaling with data rates of up to 3.2 Gbps per lane. Each lane offers two levels of input equalization and four levels of output pre-emphasis.

The AD8159 consists of four multiplexers and four demultiplexers, one per lane. Each port is a four-lane link, and each lane runs up to a 3.2 Gbps data rate, independent of the other lanes. The lanes are switched independently using the four select pins, SEL[3:0]; each select pin controls one lane of the port. The AD8159 has low latency and very low lane-to-lane skew.

The main application of the AD8159 is to support redundancy on both the backplane side and the line interface side of a serial link. The device has unicast and bicast capability; therefore, it can be configured to support either 1 + 1 or 1:1 redundancy.

The AD8159 supports reversing of the output and input pins on one of its ports, which helps to connect two ASICs with opposite pinouts.

The AD8159 is also used for testing high speed serial links by duplicating incoming data and sending it to the destination port and to the test equipment simultaneously.

Applications

  • Low cost redundancy switch
  • SONET OC-48/SDH-16 and lower data rates
  • XAUI (10 gigabit Ethernet) over backplane
  • Gigabit Ethernet over backplane
  • Fibre Channel 1.06 Gbps and 2.125 Gbps over backplane
  • InfiniBand® over backplane
  • PCI Express (PCIe) over backplane

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  • Port level 2:1 mux/1:2 demux
  • Each port consists of 4 lanes
  • Each lane runs from dc to 3.2 Gbps, independent of the other lanes
  • Compensates over 40 inches of FR4 at 3.2 Gbps through 2 levels of input equalization or 4 levels of output pre-emphasis
  • Accepts ac- or dc-coupled differential CML inputs
  • Low deterministic jitter, typically 20 ps p-p
  • Low random jitter, typically 1 ps rms
  • BER < 10−16
  • Please see data sheet for additional features
  • Type: 4 x 2:1/1:2 Mux-deMux
  • Voltage Supply Level: PECL
  • Supply Current : 320mA
  • Prop Delay (ps): 600ps
  • Output Rise/Fall (ps): 100ps
  • Control Interface: LVCMOS/LVTTL Parallel

Functional Block Diagram for AD8159

Similar Products

arrow View Full Interactive Product Selection Table
Part# Type Data Rate (Gbps) Pos Supply Supply Current Prop Delay (ps) Input Swing (mV p-p) Output Rise/Fall (ps) Price* (1000-4999)
AD8150 33 x 17 1.5 +3.3V to +5V 400 650 200-1000 100 $79.95
AD8151 33 x 17 3.2 +3.3V to +5V 425 650 200-1000 100 $90.07
AD8152 34 x 34 3.2 +2.5V to +3.3V 800 660 50-1000 100 $140.67
AD8153 2:1/1:2 Mux-deMux 3.2 +3V to +3.6V 31 640 200-2000 85 $5.52
AD8155 2:1/1:2 Mux-deMux 6.5 +1.8V to +3.3V 850 700 200-2000 62 $16.95
AD8156 4 x 4 6.25 +3V to +3.6V 120 1000 200-2000 75 $13.11
AD8158 4 x 2:1/1:2 Mux-deMux 6.5 +1.8V to +3.3V 850 700 200-2000 62 $19.18
AD8159 4 x 2:1/1:2 Mux-deMux 3.2 +3V to +3.6V 320 600 200-2000 100 $12.09
ADN4600 8 x 8 4.25 +1.8V to +3.3V 565 1000 300-2000 75 $24.95
ADN8102 4 x 4 3.75 +1.8V to +3.3V 586 1000 300-2000 75 $14.62
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* The pricing listed here is provided only for budgetary purposes as recommended list price in U.S. Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.

Pricing, Packaging & Availability

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For detailed drawings and chemical composition please consult our  Package Site

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Pin Count is the number of pins, balls, or pads on the device. Pin-out diagrams & pin function descriptions may be found in the datasheet.

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  • Military : -55 to +125 degrees Celsius
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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

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This is the list of Product Change Notifications (PCN) published on the web for this model. Click on the link to access PCN Information.Only select pre-2009 PCN�s are available on-line. To obtain a pre-2009 PCN, contact your ADI Sales Rep. For more information on ADI's PCN process, please visit our PCN Policy Statement page

*The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
**Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.